2 pint = 1 cup
2 cup = 1 quart
4 quart= 10 gallon
7 gallons is 112 half-pints.
20 Imperial pints equal two and a half Imperial gallons.
2 and a half gallons is 10 quarts (4 for each gallon and 2 more for the half gallon). There are 2 pints in each quart, so 20 pints in 2 and a half gallons.
12 pints
That is 28 pints
120gallons
44
10
64
28
.43 gallon
Four and a half gallons is 36 pints